[jira] [Created] (ARROW-2578) [Plasma] Valgrind errors related to std::random_device

["Philipp Moritz (JIRA)" <ji...@apache.org>]

Philipp Moritz created ARROW-2578:
-------------------------------------

             Summary: [Plasma] Valgrind errors related to std::random_device
                 Key: ARROW-2578
                 URL: https://issues.apache.org/jira/browse/ARROW-2578
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: Philipp Moritz


These have started popping up very recently: [https://travis-ci.org/apache/arrow/jobs/378526493]

e.g.
{code:java}
[ RUN ] PlasmaSerialization.SealRequest
==19147== Conditional jump or move depends on uninitialised value(s)
==19147== at 0x510FFD8: std::random_device::_M_init(std::string const&) (cow-string-inst.cc:56)
==19147== by 0x4E3B7C: std::random_device::random_device(std::string const&) (random.h:1588)
==19147== by 0x4E2E6F: plasma::UniqueID::from_random() (common.cc:31)
==19147== by 0x4871D6: plasma::PlasmaSerialization_SealRequest_Test::TestBody() (serialization_tests.cc:120)
==19147== by 0x4D6589: void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2402)
==19147== by 0x4D0317: void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (gtest.cc:2438)
==19147== by 0x4B57D8: testing::Test::Run() (gtest.cc:2475)
==19147== by 0x4B607F: testing::TestInfo::Run() (gtest.cc:2656)
==19147== by 0x4B6743: testing::TestCase::Run() (gtest.cc:2774)
==19147== by 0x4BD113: testing::internal::UnitTestImpl::RunAllTests() (gtest.cc:4649)
==19147== by 0x4D7891: bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (gtest.cc:2402)
==19147== by 0x4D103F: bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) (gtest.cc:2438)
==19147=={code}
 Any ideas on how to fix this are appreciated!



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